Statistical tools for linkage analysis and genetic association studies.

Abstract:

:Genetic mapping by linkage analysis has been an invaluable tool in the positional strategy to identify the molecular basis of many rare Mendelian disorders. With the attention of the scientific and medical community shifting towards the analysis of more common, complex traits, it has become necessary to develop new approaches that take into account the complexity of the genetic basis of these disorders and their possible interaction with other, nongenetic factors. Linkage disequilibrium studies are now becoming increasingly popular thanks to the advent of genotyping platforms that allow genome-wide searching for association between hundreds of thousands of random polymorphisms and disease phenotypes in large samples of unrelated individuals. Moreover, the definition of the disease phenotype itself is being reconsidered to include quantitative traits that may better define the underlying biologic mechanisms for many pathologic conditions. This article will review classic and new approaches to genetic mapping by linkage and association analysis and discuss the directions this field is likely to take in the near future.

journal_name

Expert Rev Mol Diagn

authors

Forabosco P,Falchi M,Devoto M

doi

10.1586/14737159.5.5.781

keywords:

subject

Has Abstract

pub_date

2005-09-01 00:00:00

pages

781-96

issue

5

eissn

1473-7159

issn

1744-8352

journal_volume

5

pub_type

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